Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!apple!altos!gumby!jerry
From: jerry@gumby.Altos.COM (Jerry Gardner)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: can you replace a 16mhz 386sx with a 20mhz 386sx?
Message-ID: <4779@gumby.Altos.COM>
Date: 5 Apr 91 18:18:33 GMT
References: <1991Apr4.043028.9227@hub.cs.jmu.edu>
Reply-To: jerry@altos.COM (Jerry Gardner)
Distribution: comp
Organization: Altos Computer Systems, San Jose, CA
Lines: 21

In article <1991Apr4.043028.9227@hub.cs.jmu.edu> jmidili@hub.cs.jmu.edu (jeff midili) writes:
>I was wondering if it is possible to replace a 16mhz 386sx with
>a 20mhz chip.  Has anyone done this?  Do the BIOS need to be 
>replaced too?  Are any companies offering a trade in value for
>the old chip for a new one???


Replacing just the 386sx with a faster part won't increase the speed of
your machine.  You also have to increase the clock input to the CPU,
usually by replacing the crystal or clock oscillator.

This proceedure may or may not be reliable depending how much margin was
designed into the machine.



-- 
Jerry Gardner, NJ6A					Altos Computer Systems
UUCP: {sun|pyramid|sco|amdahl|uunet}!altos!jerry	2641 Orchard Parkway
Internet: jerry@altos.com				San Jose, CA  95134
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